*{
    margin: 0;
    padding: 0;
}
html,body{
    width: 100%;
    height: 100%;
}
.banner{
    width: 100%;
}
ul{
    width: 100%;
    list-style: none;
}
li{
    width: 100%;
}
.nav{
    width: 100%;
    height: 50px;
    position: fixed;
    background-color: white;
    bottom: 0;
    left: 0;
    display: flex;
}
.nav>li{
    width: 25%;
    height: 100%;
    font-size: 16px;
    padding-top: 5px;
    box-sizing: border-box;
}
a{
    text-decoration: none;
}
.active{
    color: red;
}
.price{
    color: red;
    text-align: left;
}
.list{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 10px 10px 50px 10px;
    box-sizing: border-box;
}
.list>li{
    width: 49%;
    background-color: rgb(245, 245, 245);
    margin: 2px 0;
    padding-top: 10px;
    padding: 10px 10px;
    box-sizing: border-box;
    border-radius: 10px;
}
.title{
    text-align: left;
}

